Cross Reference: /external/open-vcdiff/gflags/m4

`Name`	`Date`	`Size`
Up to higher level directory
`acx_pthread.m4`	25-Jul-2013	`13K`
`google_namespace.m4`	25-Jul-2013	`2.1K`
`namespaces.m4`	25-Jul-2013	`735`
`stl_namespace.m4`	25-Jul-2013	`917`